Home / 12,346.39-18,516.29-3,461.23

Finding the Fourth Proportional to 12,346.39, 18,516.29 and 3,461.23

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Solution

The fourth proportional to 12,346.39, 18,516.29 and 3,461.23 is: 5,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.39 : 18,516.29 = 3,461.23 : x
  2. Step 2: Convert to fraction form
    12,346.39/18,516.29 = 3,461.23/x
  3. Step 3: Cross multiply
    12,346.39x = 18,516.29 × 3,461.23
  4. Step 4: Simplify right side
    12,346.39x = 64,089,144.28
  5. Step 5: Solve for x
    x = 64,089,144.28/12,346.39
  6. Step 6: Final answer
    x = 5,190.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.